Ninefeldt Pool, located in Carlton County, Minnesota, is a privately-owned earth dam constructed in 1969 by the USDA NRCS. This dam, situated on the Moose Horn River West Branch, serves a primary purpose that falls under the category of "Other." With a height of 7 feet and a length of 430 feet, Ninefeldt Pool has a storage capacity of 132 acre-feet and a drainage area of 0.4 square miles.

Managed by the Minnesota Department of Natural Resources, Ninefeldt Pool is regulated, permitted, inspected, and enforced by state agencies to ensure its structural integrity and safety. The dam has a low hazard potential and is currently in satisfactory condition as assessed in September 2017. While the spillway type is uncontrolled, the risk assessment for Ninefeldt Pool is considered moderate. Overall, this dam plays a crucial role in water resource management in the area, contributing to flood control and water storage for various purposes.

With its strategic location and purposeful design, Ninefeldt Pool stands as a testament to effective water management practices in Minnesota. As a key structure in the region, it not only provides essential water storage but also underscores the importance of proper regulation and maintenance in safeguarding water resources and mitigating potential risks. For water resource and climate enthusiasts, Ninefeldt Pool serves as a fascinating example of how human intervention can positively impact the natural environment while ensuring the safety and well-being of surrounding communities.